commit_root_gen  1402 fs/btrfs/relocation.c 		u64 commit_root_gen;
commit_root_gen  1416 fs/btrfs/relocation.c 		commit_root_gen = btrfs_header_generation(root->commit_root);
commit_root_gen  1417 fs/btrfs/relocation.c 		btrfs_set_root_last_snapshot(&root->root_item, commit_root_gen);